The double inner opening system increases safety, the waterproof cleaning of detachable gauze mesh is more convenient, the frame is designed flush and more beautiful, the special-shaped glue injection corner code is adopted, the section is coated with waterproof glue, which has stronger firmness and waterproof, and the equal pressure is adopted
Rubber strip isobaric rain curtain principle waterproof design forms isobaric cavity, and the thermal insulation cavity is filled with polyurethane foam to effectively strengthen the function of thermal insulation.

1. Aluminum profiles: select high-precision and high-strength primary aluminum which is national standard 6063-T5 silicon-magnesium-titanium aluminum alloy, the national standard thickness is 1.8mm
    
2. Insulation strip: three-cavity energy-saving design for broken bridge, 20mm hollow glass cavity, PA66-GF25 high-strength polyamide glass fiber insulation strip, which minimizes the thermal conductivity, maintain a comfortable indoor temperature
    
3. Seal: Application of automotive sealing technology, automotive-grade foaming EPDM full-strip technology, sealing performance for more than 20 years, three-level sealing, stepped noise reduction, in line with the EU DIN7863 standard. Successfully achieve a gas-water equal pressure balance of 7, blocking noise above 30 decibels.
    
4. Paint: select American DuPont electrostatic powder paint, which complies with the three environmental protection regulations of the European Union, the United States and China. Strong weather resistance, rich and beautiful colors, non-toxic and formaldehyde-free.
    
5. Glass: All the original glass sheets from Jinjing,who is the leader of my country's glass industry. The quality of the products has passed the certification of Germany, the United States, the European Union and China's 3C standards.The standard configuration of the glass is hollow tempered glass, 5C+20A+5C. The glass can be equipped with optional warm-edge spacers, Low-E glass and hollow argon gas
    
6. Hardware: Haobo hardware, which is the origin of modern door and window handle and control hardware, enjoys a high reputation in Europe and the United States. It is beautiful, quiet, durable, convenient, safe, and has a life span of 25,000 times over the national standard.
    
7. Hidden drainage technology: Advanced hidden drainage system design, widened drainage slot 5mm*80mm, will not worry about rainstorms.
    
8. Corner assembly process: The overall corner code plus pins and then glue injection can increase the service life of the window
    
9. Mullion stand process: The mullion stand connection adopts pin connection and glue injection process, sealing from the inside to the outside, seamless connection, and good wind pressure resistance
    
10. The indoor frame and fan are flush: the outer frame and the fan are on the same plane indoors, and the design is novel and beautiful.
     
11. R angle design: The appearance is round, beautiful and safer